@misc{indiciae6ced6b3acea8,
  title = {Computer calculation of molecular crystal structures.},
  author = {D E Williams},
  year = {1968},
  doi = {10.1126/science.159.3815.645},
  url = {https://pubmed.ncbi.nlm.nih.gov/5716139/},
  note = {Source identifier: 5716139}
}